diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index be3b9bde4f..9786771c43 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:7062473f423f339256346ddbee3d81fb1de6b784fabc2a4d959d7df2c720e375
+  digest: sha256:3c950ed12391ebaffd1ee66d0374766a1c50144ebe6a7a0042300b2e6bb5856b
diff --git a/.github/workflows/approve-readme.yaml b/.github/workflows/approve-readme.yaml
index c513242798..1bb1823276 100644
--- a/.github/workflows/approve-readme.yaml
+++ b/.github/workflows/approve-readme.yaml
@@ -1,3 +1,18 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   pull_request:
 name: auto-merge-readme
diff --git a/.github/workflows/auto-release.yaml b/.github/workflows/auto-release.yaml
index 59c7cadde3..18e23230d9 100644
--- a/.github/workflows/auto-release.yaml
+++ b/.github/workflows/auto-release.yaml
@@ -1,3 +1,18 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   pull_request:
 name: auto-release
@@ -16,13 +31,13 @@ jobs:
             return;
           }
 
-          // only approve PRs like "chore: release <release version>"
-          if ( !context.payload.pull_request.title.startsWith("chore: release") ) {
+          // only approve PRs like "chore(main): release <release version>"
+          if (  !context.payload.pull_request.title.startsWith("chore(main): release") ) {
             return;
           }
 
           // only approve PRs with pom.xml and versions.txt changes
-          const filesPromise = github.pulls.listFiles.endpoint({
+          const filesPromise = github.rest.pulls.listFiles.endpoint({
             owner: context.repo.owner,
             repo: context.repo.repo,
             pull_number: context.payload.pull_request.number,
@@ -54,7 +69,7 @@ jobs:
             return;
           }
 
-          const promise = github.pulls.list.endpoint({
+          const promise = github.rest.pulls.list.endpoint({
             owner: context.repo.owner,
             repo: context.repo.repo,
             state: 'open'
@@ -71,7 +86,7 @@ jobs:
           }
 
           // approve release PR
-          await github.pulls.createReview({
+          await github.rest.pulls.createReview({
             owner: context.repo.owner,
             repo: context.repo.repo,
             body: 'Rubber stamped release!',
@@ -80,7 +95,7 @@ jobs:
           });
 
           // attach kokoro:force-run and automerge labels
-          await github.issues.addLabels({
+          await github.rest.issues.addLabels({
             owner: context.repo.owner,
             repo: context.repo.repo,
             issue_number: context.payload.pull_request.number,
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 05de1f60dc..6b5e56aaac 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,3 +1,18 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   push:
     branches:
diff --git a/.github/workflows/samples.yaml b/.github/workflows/samples.yaml
index c46230a78c..d5d964df15 100644
--- a/.github/workflows/samples.yaml
+++ b/.github/workflows/samples.yaml
@@ -1,3 +1,18 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 on:
   pull_request:
 name: samples
diff --git a/.kokoro/build.bat b/.kokoro/build.bat
index 05826ad93f..cc602c9eba 100644
--- a/.kokoro/build.bat
+++ b/.kokoro/build.bat
@@ -1,3 +1,18 @@
 :: See documentation in type-shell-output.bat
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# Github action job to test core java library features on
+# downstream client libraries before they are released.
 
 "C:\Program Files\Git\bin\bash.exe" %~dp0build.sh
diff --git a/.kokoro/nightly/java11-integration.cfg b/.kokoro/nightly/java11-integration.cfg
new file mode 100644
index 0000000000..58049cc38f
--- /dev/null
+++ b/.kokoro/nightly/java11-integration.cfg
@@ -0,0 +1,37 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Configure the docker image for kokoro-trampoline.
+env_vars: {
+  key: "TRAMPOLINE_IMAGE"
+  value: "gcr.io/cloud-devrel-public-resources/java11014"
+}
+
+env_vars: {
+  key: "JOB_TYPE"
+  value: "integration"
+}
+# TODO: remove this after we've migrated all tests and scripts
+env_vars: {
+  key: "GCLOUD_PROJECT"
+  value: "gcloud-devel"
+}
+
+env_vars: {
+  key: "GOOGLE_CLOUD_PROJECT"
+  value: "gcloud-devel"
+}
+
+env_vars: {
+  key: "ENABLE_FLAKYBOT"
+  value: "true"
+}
+
+env_vars: {
+  key: "GOOGLE_APPLICATION_CREDENTIALS"
+  value: "secret_manager/java-it-service-account"
+}
+
+env_vars: {
+  key: "SECRET_MANAGER_KEYS"
+  value: "java-it-service-account"
+}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23b1b4232b..965f672ea2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [2.5.3](https://github.com/googleapis/java-bigtable/compare/v2.5.2...v2.5.3) (2022-02-08)
+
+
+### Bug Fixes
+
+* integration tests ([#1161](https://github.com/googleapis/java-bigtable/issues/1161)) ([8b00b5f](https://github.com/googleapis/java-bigtable/commit/8b00b5fb5b4e3a1ada514b0bdc60fd744833bd01))
+
 ### [2.5.2](https://github.com/googleapis/java-bigtable/compare/v2.5.1...v2.5.2) (2022-01-31)
 
 
diff --git a/README.md b/README.md
index aaf1faeda1..e285b78f7f 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigtable</artifactId>
-  <version>2.5.1</version>
+  <version>2.5.2</version>
 </dependency>
 
 ```
@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-bigtable'
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-bigtable:2.5.1'
+implementation 'com.google.cloud:google-cloud-bigtable:2.5.2'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.5.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.5.2"
 ```
 
 ## Authentication
diff --git a/google-cloud-bigtable-bom/pom.xml b/google-cloud-bigtable-bom/pom.xml
index c952d54f97..281d8a7680 100644
--- a/google-cloud-bigtable-bom/pom.xml
+++ b/google-cloud-bigtable-bom/pom.xml
@@ -3,12 +3,12 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigtable-bom</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
     <packaging>pom</packaging>
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-config</artifactId>
-        <version>1.2.6</version>
+        <version>1.2.7</version>
     </parent>
 
     <name>Google Cloud Bigtable BOM</name>
@@ -62,32 +62,32 @@
         <dependency>
           <groupId>com.google.cloud</groupId>
           <artifactId>google-cloud-bigtable</artifactId>
-          <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+          <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         </dependency>
         <dependency>
           <groupId>com.google.cloud</groupId>
           <artifactId>google-cloud-bigtable-emulator</artifactId>
-          <version>0.142.2</version><!-- {x-version-update:google-cloud-bigtable-emulator:current} -->
+          <version>0.142.3</version><!-- {x-version-update:google-cloud-bigtable-emulator:current} -->
         </dependency>
         <dependency>
           <groupId>com.google.api.grpc</groupId>
           <artifactId>grpc-google-cloud-bigtable-admin-v2</artifactId>
-          <version>2.5.2</version><!-- {x-version-update:grpc-google-cloud-bigtable-admin-v2:current} -->
+          <version>2.5.3</version><!-- {x-version-update:grpc-google-cloud-bigtable-admin-v2:current} -->
         </dependency>
         <dependency>
           <groupId>com.google.api.grpc</groupId>
           <artifactId>grpc-google-cloud-bigtable-v2</artifactId>
-          <version>2.5.2</version><!-- {x-version-update:grpc-google-cloud-bigtable-v2:current} -->
+          <version>2.5.3</version><!-- {x-version-update:grpc-google-cloud-bigtable-v2:current} -->
         </dependency>
         <dependency>
           <groupId>com.google.api.grpc</groupId>
           <artifactId>proto-google-cloud-bigtable-admin-v2</artifactId>
-          <version>2.5.2</version><!-- {x-version-update:proto-google-cloud-bigtable-admin-v2:current} -->
+          <version>2.5.3</version><!-- {x-version-update:proto-google-cloud-bigtable-admin-v2:current} -->
         </dependency>
         <dependency>
           <groupId>com.google.api.grpc</groupId>
           <artifactId>proto-google-cloud-bigtable-v2</artifactId>
-          <version>2.5.2</version><!-- {x-version-update:proto-google-cloud-bigtable-v2:current} -->
+          <version>2.5.3</version><!-- {x-version-update:proto-google-cloud-bigtable-v2:current} -->
         </dependency>
       </dependencies>
     </dependencyManagement>
diff --git a/google-cloud-bigtable-deps-bom/pom.xml b/google-cloud-bigtable-deps-bom/pom.xml
index 43a03f8f02..1d6cdaf886 100644
--- a/google-cloud-bigtable-deps-bom/pom.xml
+++ b/google-cloud-bigtable-deps-bom/pom.xml
@@ -7,12 +7,12 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.2.6</version>
+    <version>1.2.7</version>
   </parent>
 
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-  <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+  <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
 
   <packaging>pom</packaging>
   <description>
diff --git a/google-cloud-bigtable-emulator/pom.xml b/google-cloud-bigtable-emulator/pom.xml
index 1b14dbab35..a3758215ac 100644
--- a/google-cloud-bigtable-emulator/pom.xml
+++ b/google-cloud-bigtable-emulator/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>google-cloud-bigtable-emulator</artifactId>
-  <version>0.142.2</version><!-- {x-version-update:google-cloud-bigtable-emulator:current} -->
+  <version>0.142.3</version><!-- {x-version-update:google-cloud-bigtable-emulator:current} -->
   <name>Google Cloud Java - Bigtable Emulator</name>
   <url>https://github.com/googleapis/java-bigtable</url>
   <description>
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigtable-parent</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
   </parent>
   <scm>
     <connection>scm:git:git@github.com:googleapis/java-bigtable.git</connection>
@@ -81,14 +81,14 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/google-cloud-bigtable-stats/pom.xml b/google-cloud-bigtable-stats/pom.xml
index a3a0b92ffb..4d55e456d7 100644
--- a/google-cloud-bigtable-stats/pom.xml
+++ b/google-cloud-bigtable-stats/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-parent</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -13,7 +13,7 @@
         through Stackdriver. Built-in metrics will be implemented with shaded OpenCensus so it won't interfere with
         customer's application metrics. -->
     <artifactId>google-cloud-bigtable-stats</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
     <description>Experimental project to shade OpenCensus dependencies.</description>
 
     <dependencyManagement>
@@ -21,7 +21,7 @@
             <dependency>
                 <groupId>com.google.cloud</groupId>
                 <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-                <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+                <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/google-cloud-bigtable/pom.xml b/google-cloud-bigtable/pom.xml
index ffc484c0ff..c80aa6d05f 100644
--- a/google-cloud-bigtable/pom.xml
+++ b/google-cloud-bigtable/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-bigtable</artifactId>
-  <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+  <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Bigtable</name>
   <url>https://github.com/googleapis/java-bigtable</url>
@@ -12,11 +12,11 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigtable-parent</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
   </parent>
   <properties>
     <!-- The version that will be embedded in the published jar via maven-resources-plugin -->
-    <java-bigtable.version>2.5.2</java-bigtable.version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <java-bigtable.version>2.5.3</java-bigtable.version><!-- {x-version-update:google-cloud-bigtable:current} -->
 
     <site.installationModule>google-cloud-bigtable</site.installationModule>
 
@@ -43,14 +43,14 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/Version.java b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/Version.java
index 56b01e66df..35fe7ced09 100644
--- a/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/Version.java
+++ b/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/Version.java
@@ -20,6 +20,6 @@
 @InternalApi("For internal use only")
 public final class Version {
   // {x-version-update-start:google-cloud-bigtable:current}
-  public static String VERSION = "2.5.2";
+  public static String VERSION = "2.5.3";
   // {x-version-update-end}
 }
diff --git a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/it/DirectPathFallbackIT.java b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/it/DirectPathFallbackIT.java
index ff83192304..8666924a2f 100644
--- a/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/it/DirectPathFallbackIT.java
+++ b/google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/it/DirectPathFallbackIT.java
@@ -29,7 +29,6 @@
 import com.google.common.base.Stopwatch;
 import com.google.common.collect.ImmutableSet;
 import io.grpc.ManagedChannelBuilder;
-import io.grpc.alts.ComputeEngineChannelBuilder;
 import io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder;
 import io.grpc.netty.shaded.io.netty.channel.ChannelDuplexHandler;
 import io.grpc.netty.shaded.io.netty.channel.ChannelFactory;
@@ -40,7 +39,6 @@
 import io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel;
 import io.grpc.netty.shaded.io.netty.util.ReferenceCountUtil;
 import java.io.IOException;
-import java.lang.reflect.Field;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
@@ -189,25 +187,12 @@ private boolean exerciseDirectPath() throws InterruptedException, TimeoutExcepti
   /**
    * This is a giant hack to enable testing DirectPath CFE fallback.
    *
-   * <p>It unwraps the {@link ComputeEngineChannelBuilder} to inject a NettyChannelHandler to signal
-   * IPv6 packet loss.
+   * <p>Injects a NettyChannelHandler to signal IPv6 packet loss.
    */
   private void injectNettyChannelHandler(ManagedChannelBuilder<?> channelBuilder) {
-    try {
-      // Extract the delegate NettyChannelBuilder using reflection
-      Field delegateField = ComputeEngineChannelBuilder.class.getDeclaredField("delegate");
-      delegateField.setAccessible(true);
-
-      ComputeEngineChannelBuilder gceChannelBuilder =
-          ((ComputeEngineChannelBuilder) channelBuilder);
-      Object delegateChannelBuilder = delegateField.get(gceChannelBuilder);
-
-      NettyChannelBuilder nettyChannelBuilder = (NettyChannelBuilder) delegateChannelBuilder;
-      nettyChannelBuilder.channelFactory(channelFactory);
-      nettyChannelBuilder.eventLoopGroup(eventLoopGroup);
-    } catch (NoSuchFieldException | IllegalAccessException e) {
-      throw new RuntimeException("Failed to inject the netty ChannelHandler", e);
-    }
+    NettyChannelBuilder nettyChannelBuilder = (NettyChannelBuilder) channelBuilder;
+    nettyChannelBuilder.channelFactory(channelFactory);
+    nettyChannelBuilder.eventLoopGroup(eventLoopGroup);
   }
 
   /** @see com.google.cloud.bigtable.data.v2.it.DirectPathFallbackIT.MyChannelHandler */
diff --git a/grpc-google-cloud-bigtable-admin-v2/pom.xml b/grpc-google-cloud-bigtable-admin-v2/pom.xml
index 10f9d89486..72e7e5cdc6 100644
--- a/grpc-google-cloud-bigtable-admin-v2/pom.xml
+++ b/grpc-google-cloud-bigtable-admin-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigtable-admin-v2</artifactId>
-  <version>2.5.2</version><!-- {x-version-update:grpc-google-cloud-bigtable-admin-v2:current} -->
+  <version>2.5.3</version><!-- {x-version-update:grpc-google-cloud-bigtable-admin-v2:current} -->
   <name>grpc-google-cloud-bigtable-admin-v2</name>
   <description>GRPC library for grpc-google-cloud-bigtable-admin-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigtable-parent</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
   </parent>
 
   <dependencyManagement>
@@ -18,14 +18,14 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/grpc-google-cloud-bigtable-v2/pom.xml b/grpc-google-cloud-bigtable-v2/pom.xml
index b3f1938ce7..8d7d9566f1 100644
--- a/grpc-google-cloud-bigtable-v2/pom.xml
+++ b/grpc-google-cloud-bigtable-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigtable-v2</artifactId>
-  <version>2.5.2</version><!-- {x-version-update:grpc-google-cloud-bigtable-v2:current} -->
+  <version>2.5.3</version><!-- {x-version-update:grpc-google-cloud-bigtable-v2:current} -->
   <name>grpc-google-cloud-bigtable-v2</name>
   <description>GRPC library for grpc-google-cloud-bigtable-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigtable-parent</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
   </parent>
 
   <dependencyManagement>
@@ -18,14 +18,14 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/pom.xml b/pom.xml
index 167819a5d2..e8e5ef249e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <artifactId>google-cloud-bigtable-parent</artifactId>
     <packaging>pom</packaging>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
     <name>Google Cloud Bigtable Parent</name>
     <url>https://github.com/googleapis/java-bigtable</url>
     <description>
@@ -14,7 +14,7 @@
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-config</artifactId>
-        <version>1.2.6</version>
+        <version>1.2.7</version>
     </parent>
 
     <developers>
@@ -152,33 +152,33 @@
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>proto-google-cloud-bigtable-v2</artifactId>
-                <version>2.5.2</version><!-- {x-version-update:proto-google-cloud-bigtable-v2:current} -->
+                <version>2.5.3</version><!-- {x-version-update:proto-google-cloud-bigtable-v2:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>proto-google-cloud-bigtable-admin-v2</artifactId>
-                <version>2.5.2</version><!-- {x-version-update:proto-google-cloud-bigtable-admin-v2:current} -->
+                <version>2.5.3</version><!-- {x-version-update:proto-google-cloud-bigtable-admin-v2:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>grpc-google-cloud-bigtable-v2</artifactId>
-                <version>2.5.2</version><!-- {x-version-update:grpc-google-cloud-bigtable-v2:current} -->
+                <version>2.5.3</version><!-- {x-version-update:grpc-google-cloud-bigtable-v2:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>grpc-google-cloud-bigtable-admin-v2</artifactId>
-                <version>2.5.2</version><!-- {x-version-update:grpc-google-cloud-bigtable-admin-v2:current} -->
+                <version>2.5.3</version><!-- {x-version-update:grpc-google-cloud-bigtable-admin-v2:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.cloud</groupId>
                 <artifactId>google-cloud-bigtable</artifactId>
-                <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+                <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
             </dependency>
             <!-- Test Deps in alphabetical order -->
             <dependency>
                 <groupId>com.google.cloud</groupId>
                 <artifactId>google-cloud-conformance-tests</artifactId>
-                <version>0.2.6</version>
+                <version>0.2.7</version>
             </dependency>
             <dependency>
                 <groupId>com.google.truth</groupId>
diff --git a/proto-google-cloud-bigtable-admin-v2/pom.xml b/proto-google-cloud-bigtable-admin-v2/pom.xml
index 5481ee232e..8037ba0f9e 100644
--- a/proto-google-cloud-bigtable-admin-v2/pom.xml
+++ b/proto-google-cloud-bigtable-admin-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigtable-admin-v2</artifactId>
-  <version>2.5.2</version><!-- {x-version-update:proto-google-cloud-bigtable-admin-v2:current} -->
+  <version>2.5.3</version><!-- {x-version-update:proto-google-cloud-bigtable-admin-v2:current} -->
   <name>proto-google-cloud-bigtable-admin-v2</name>
   <description>PROTO library for proto-google-cloud-bigtable-admin-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigtable-parent</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
   </parent>
 
   <dependencyManagement>
@@ -18,14 +18,14 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/proto-google-cloud-bigtable-v2/pom.xml b/proto-google-cloud-bigtable-v2/pom.xml
index 79290c0067..de2ae94dd9 100644
--- a/proto-google-cloud-bigtable-v2/pom.xml
+++ b/proto-google-cloud-bigtable-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigtable-v2</artifactId>
-  <version>2.5.2</version><!-- {x-version-update:proto-google-cloud-bigtable-v2:current} -->
+  <version>2.5.3</version><!-- {x-version-update:proto-google-cloud-bigtable-v2:current} -->
   <name>proto-google-cloud-bigtable-v2</name>
   <description>PROTO library for proto-google-cloud-bigtable-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigtable-parent</artifactId>
-    <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+    <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
   </parent>
 
   <dependencyManagement>
@@ -18,14 +18,14 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-deps-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-bom</artifactId>
-        <version>2.5.2</version><!-- {x-version-update:google-cloud-bigtable:current} -->
+        <version>2.5.3</version><!-- {x-version-update:google-cloud-bigtable:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 69943b480d..fa3331966a 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigtable</artifactId>
-      <version>2.5.1</version>
+      <version>2.5.2</version>
     </dependency>
     <!-- [END bigtable_install_without_bom] -->
 
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 2ef8241428..5f66a02cfd 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigtable</artifactId>
-      <version>2.5.2</version>
+      <version>2.5.3</version>
     </dependency>
   <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index d9a57dce23..63dc15cc87 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-bigtable:2.5.2:2.5.2
-grpc-google-cloud-bigtable-admin-v2:2.5.2:2.5.2
-grpc-google-cloud-bigtable-v2:2.5.2:2.5.2
-proto-google-cloud-bigtable-admin-v2:2.5.2:2.5.2
-proto-google-cloud-bigtable-v2:2.5.2:2.5.2
-google-cloud-bigtable-emulator:0.142.2:0.142.2
+google-cloud-bigtable:2.5.3:2.5.3
+grpc-google-cloud-bigtable-admin-v2:2.5.3:2.5.3
+grpc-google-cloud-bigtable-v2:2.5.3:2.5.3
+proto-google-cloud-bigtable-admin-v2:2.5.3:2.5.3
+proto-google-cloud-bigtable-v2:2.5.3:2.5.3
+google-cloud-bigtable-emulator:0.142.3:0.142.3